महाभारतः mahābhārataḥ - book-5, chapter-195, verse-17

वेदान्तावभृथस्नाताः सर्व एतेऽपराजिताः ।
निहन्युः समरे सेनां देवानामपि पाण्डव ॥१७॥

17. vedāntāvabhṛthasnātāḥ sarva ete'parājitāḥ ,
nihanyuḥ samare senāṁ devānāmapi pāṇḍava.

17. vedāntāvabhṛthasnātāḥ sarve ete aparājitāḥ
nihanyuḥ samare senām devānām api pāṇḍava

17. pāṇḍava vedāntāvabhṛthasnātāḥ ete sarve aparājitāḥ
(ete) samare devānām api senām nihanyuḥ

17. O Pāṇḍava, all of these men, purified as if by the concluding ceremonial bath (avabhṛtha) of the Vedānta studies, are unconquerable. They could slay even the army of the gods in battle.

Words meanings summery:

• वेदान्तावभृथस्नाताः (vedāntāvabhṛthasnātāḥ) - bathed in the purificatory bath of Vedānta, purified by Vedānta

• सर्वे (sarve) - all

• एते (ete) - these

• अपराजिताः (aparājitāḥ) - unconquered, undefeated, invincible

• निहन्युः (nihanyuḥ) - they would slay, they would kill

• समरे (samare) - in battle, in combat

• सेनाम् (senām) - army, host

• देवानाम् (devānām) - of the gods

• अपि (api) - even, also

• पाण्डव (pāṇḍava) - O son of Pāṇḍu

Words meanings and morphology

वेदान्तावभृथस्नाताः (vedāntāvabhṛthasnātāḥ) - bathed in the purificatory bath of Vedānta, purified by Vedānta

(adjective)

Nominative, masculine, plural of vedāntāvabhṛthasnāta

vedāntāvabhṛthasnāta - one who has taken the purifying bath of Vedānta (final Vedic knowledge)

Compound type : tatpurusha (vedānta+avabhṛtha+snāta)

• vedānta – end of the Vedas, Upanishads, Vedic philosophy
  noun (masculine)
• avabhṛtha – purificatory bath, final bath of a sacrifice
  noun (masculine)
  Prefix: ava
  Root: bhṛ (class 1)
• snāta – bathed, purified
  adjective (masculine)
  Past Passive Participle
  From root snā (to bathe) with suffix -ta
  Root: snā (class 2)

सर्वे (sarve) - all

(adjective)

Nominative, masculine, plural of sarva

sarva - all, every, whole

एते (ete) - these

(pronoun)

Nominative, masculine, plural of etad

etad - this, these

अपराजिताः (aparājitāḥ) - unconquered, undefeated, invincible

(adjective)

Nominative, masculine, plural of aparājita

aparājita - unconquered, undefeated

Compound type : nañ-tatpuruṣa (a+parājita)

• a – not, non-
  indeclinable
• parājita – defeated, conquered
  adjective (masculine)
  Past Passive Participle
  From root ji (to conquer) with prefix parā
  Prefix: parā
  Root: ji (class 1)

निहन्युः (nihanyuḥ) - they would slay, they would kill

(verb)

3rd person , plural, active, optative (vidhiliṅ) of ni-han

Prefix: ni

Root: han (class 2)

समरे (samare) - in battle, in combat

(noun)

Locative, masculine, singular of samara

samara - battle, war, combat

सेनाम् (senām) - army, host

(noun)

Accusative, feminine, singular of senā

senā - army, host, military force

देवानाम् (devānām) - of the gods

(noun)

Genitive, masculine, plural of deva

deva - god, deity

अपि (api) - even, also

(indeclinable)

पाण्डव (pāṇḍava) - O son of Pāṇḍu

(proper noun)

Vocative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, son of Pāṇḍu